comprehensive index...[继续阅读]

    cymometer,frequency indicator,frequency meter...[继续阅读]

    scope of business...[继续阅读]

    key support equipment...[继续阅读]

    发动机;机车,火车头fire engine●消防车heat engine●热机hydraulic(al) engine●水力发动机marine engine●航海发动机,船用发动机overhead-valve engine●顶阀发动机,顶置气门发动机petrol engine●汽油机reciprocating engine●往复式发动机rotary engine●旋转...[继续阅读]

    surrounding countries...[继续阅读]

    overrunning clutch...[继续阅读]

    滗泄器,倾注洗涤器,倾析器floating decanter●浮子式泄水器...[继续阅读]

    单方面的,单边的,片面的...[继续阅读]

    fore date,antedate...[继续阅读]